Ceiling-Suspended Paddle Fans Must Not Be Located Within a Zone

Ceiling-suspended paddle fans must not be located within a zone measured ____ horizontally and ____ vertically from the top of the bathtub rim or top of a shower stall threshold.

A) 2 ft (600 mm) ; 6 ft (1.8 m)
B) 2 ft (600 mm) ; 8 ft (2.5 m)
C) 3 ft (900 mm) ; 6 ft (1.8 m)
D) 3 ft (900 mm) ; 8 ft (2.5 m)